Make generic the best-effort parsing of HELO from a .msg
Make generic the best-effort parsing of HELO from a .msg

Some Boeing specific code needed to be cleaned up. This change will use the domain of the CRITs email address to do best-effort parsing of the HELO.
seanthegeek/crits,DukeOfHazard/crits,ckane/crits,dreardon/crits,blaquee/crits,davidhdz/crits,cfossace/crits,seanthegeek/crits,dreardon/crits,cdorer/crits,korrosivesec/crits,davidhdz/crits,seanthegeek/crits,Magicked/crits,0x3a/crits,0x3a/crits,cfossace/crits,korrosivesec/crits,dreardon/crits,cfossace/crits,Lambdanaut/crits,HardlyHaki/crits,jinverar/crits,HardlyHaki/crits,Magicked/crits,DukeOfHazard/crits,HardlyHaki/crits,jinverar/crits,jinverar/crits,lakiw/cripts,Lambdanaut/crits,0x3a/crits,dreardon/crits,DukeOfHazard/crits,lakiw/cripts,Lambdanaut/crits,korrosivesec/crits,blaquee/crits,ckane/crits,0x3a/crits,ckane/crits,cdorer/crits,kaoscoach/crits,ckane/crits,cdorer/crits,lakiw/cripts,davidhdz/crits,kaoscoach/crits,Lambdanaut/crits,cdorer/crits,DukeOfHazard/crits,seanthegeek/crits,Magicked/crits,kaoscoach/crits,Magicked/crits,blaquee/crits,jhuapl-marti/marti,jinverar/crits,davidhdz/crits,seanthegeek/crits,cfossace/crits,kaoscoach/crits,blaquee/crits,HardlyHaki/crits,korrosivesec/crits,jhuapl-marti/marti,davidhdz/crits,lakiw/cripts,jhuapl-marti/marti,jhuapl-marti/marti